Re: [Idr] I-D Action: draft-ietf-idr-as4octet-extcomm-generic-subtype-08.txt
Eric C Rosen <erosen@juniper.net> Mon, 08 June 2015 16:15 UTC
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Date: Mon, 08 Jun 2015 12:15:29 -0400
From: Eric C Rosen <erosen@juniper.net>
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Subject: Re: [Idr] I-D Action: draft-ietf-idr-as4octet-extcomm-generic-subtype-08.txt
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May I suggest that the authors bring this draft up to date with respect
to RFC 7153? Suggested changes follow.
OLD
[RFC5668] defines a format for a four-octet AS specific extended
community with a designated type field. That document defines two
sub-types: Four-octet specific Route Target extended community and
Four-octet specific Route Origin extended community. This document
specifies a generic sub-type for the four-octet AS specific extended
community to provide benefits such as the one cited above as the
Internet migrates to four-octet AS space.
NEW
This document specifies a generic sub-type for both the Transitive
Four-Octet AS-Specific Extended Community and the Non-Transitive
Four-Octet AS-specific Extended Community.
[Note: The registries for the Four-Octet Transitive AS-Specific EC
Sub-Types already has seven assignments, not just the two from RFC5668.]
OLD
This is an extended type with Type Field comprising of 2 octets and
Value Field comprising of 6 octets.
The high-order octet of this extended type is set to either 0x02 (for
transitive communities) or 0x42 (for non-transitive communities). The
low-order octet or the sub-type is set to 0x04.
NEW
The Type field is set to either 0x02 (Transitive Four-Octet
AS-Specific Extended Community) or 0x42 (Non-Transitive Four-Octet
AS-Specific Extended Community). The Sub-Type field is set to 4.
The value field consists of six octets.
OLD
5. IANA Considerations
This document defines a specific application of the four-octet AS
specific extended community. IANA is requested to to assign a sub-
type value of 0x04 for the generic four-octet AS specific extended
community.
This document makes the following assignments for the generic four-
octet AS specific extended community:
Name Value
---- -----
transitive generic four-octet AS specific 0x0204
non-transitive generic four-octet AS specific 0x4204
NEW
5. IANA Considerations
This document defines a specific application of the four-octet AS
specific extended community. IANA has assigned the value of 4 to
"Generic" in both the Transitive Four-Octet AS-Specific Extended
Community Sub-Types registry and the Non-Transitive Four-Octet
AS-specific Extended Community Sub-Types registry, with this
document as the reference.
[Note: This assignment already exists in the registry.]
- [Idr] I-D Action: draft-ietf-idr-as4octet-extcomm… internet-drafts
- Re: [Idr] I-D Action: draft-ietf-idr-as4octet-ext… Eric C Rosen